.op{
    width: 350px;
    height: 450px;
    border: 1px solid black;
    position: absolute;
    top: 24%;
    left: 36%;
    .ok{
        display: flex;
    }
     .ok{
        display: flex;
    }
}
.login{
    width: 180px;
    height: 100px;
    background-image: url(../../img/356.png);
    /* 平铺图片 */
    background-repeat: no-repeat;
    text-align: center;

}